<!--用户管理页-->
<template>
  <div style="height:6vh;padding:10px 20px;background-color:#fff;">
    <el-button type="primary" @click="dialogVisible = true;dialogTitle='新建用户'" style="float: right;margin-top:10px;">
      新建用户
    </el-button>
  </div>
  <!-- 新建用户弹窗 -->
  <!-- :before-close="handleClose"在弹窗关闭之前调用此自定义函数
  这样避免点击弹窗外部也能将弹窗关闭的问题 -->
  <el-dialog
      :title="dialogTitle"
      style="width: 1000px;padding:40px;"
      v-model="dialogVisible"
      :before-close="handleClose">
    <el-form label-width="80px" label-position="top">
      <el-row :gutter="10">
        <el-col :span="12">
          <el-form-item label="用户名">
            <el-input placeholder="请输入用户名" v-model="saveUserForm.username"></el-input>
          </el-form-item>
        </el-col>
        <el-col :span="12">
          <el-form-item label="手机号">
            <el-input placeholder="请输入手机号" v-model="saveUserForm.phone"></el-input>
          </el-form-item>
        </el-col>
      </el-row>
      <el-row :gutter="10">
        <el-col :span="12">
          <el-form-item label="邮箱">
            <el-input placeholder="请输入邮箱" v-model="saveUserForm.email"></el-input>
          </el-form-item>
        </el-col>
        <el-col :span="12">
          <el-form-item label="年龄">
            <el-input placeholder="请输入年龄" v-model="saveUserForm.age"></el-input>
          </el-form-item>
        </el-col>
      </el-row>
      <el-row :gutter="10">
        <el-col :span="6">
          <el-form-item label="职级">
            <el-select placeholder="请选择" v-model="saveUserForm.level" @change="loadLeaders">
              <!--              <el-option label="职员" value="10"></el-option>-->
              <!--              <el-option label="经理" value="20"></el-option>-->
              <!--              <el-option label="总监" value="30"></el-option>-->
              <!--              <el-option label="总裁" value="40"></el-option>-->

              <el-option v-for="item in levelOptions"
                         :label="item.label" :value="item.value"></el-option>

            </el-select>
          </el-form-item>
        </el-col>
        <el-col :span="6">
          <el-form-item label="直属领导">
            <el-select placeholder="请选择"
                       v-model="saveUserForm.parentId">
              <el-option v-for="item in leaderOptions"
                         :label="item.username" :value="item.id"></el-option>
            </el-select>
          </el-form-item>
        </el-col>
        <el-col :span="4">
          <el-form-item label="性别">
            <el-radio-group v-model="saveUserForm.gender">
              <el-radio border label="男" value="1" style="margin: 0;"></el-radio>
              <el-radio border label="女" value="0"></el-radio>
            </el-radio-group>
          </el-form-item>
        </el-col>
        <el-col :span="6">
          <el-form-item label="用户状态">
            <el-radio-group v-model="saveUserForm.status">
              <el-radio border label="启用" value="1" style="margin: 0;"></el-radio>
              <el-radio border label="禁用" value="0"></el-radio>
            </el-radio-group>
          </el-form-item>
        </el-col>
      </el-row>
    </el-form>
    <template #footer>
      <el-button>取消</el-button>
      <el-button type="primary" @click="saveUser">保存</el-button>
    </template>
  </el-dialog>
  <!-- 用户搜索卡片 -->
  <el-card style="margin: 20px;height: 70px;">
    <el-form :inline="true">
      <el-form-item label="用户搜索">
        <el-input placeholder="输入用户名" style="width: 220px;"
                  v-model="searchUserForm.username"
                  @keydown.enter="loadUser"></el-input>
      </el-form-item>
      <el-form-item label="用户状态"style="width: 290px;">
        <el-select placeholder="请选择用户状态" v-model="searchUserForm.status"
                   @change="loadUser">
          <el-option label="启用" value="1"></el-option>
          <el-option label="禁用" value="0"></el-option>
        </el-select>
      </el-form-item>
      <el-form-item>
        <el-button @click="resetSearch">重置</el-button>
        <el-button type="primary" @click="loadUser">查询</el-button>
      </el-form-item>
    </el-form>
  </el-card>
  <!-- 用户数据表格卡片 -->
  <el-card style="margin: 20px;">
    <el-table :data="userArr">
      <el-table-column type="index" label="编号" width="80" align="center"></el-table-column>
      <el-table-column label="用户名" prop="username" align="center"></el-table-column>
      <el-table-column label="手机号" prop="phone" align="center"></el-table-column>
      <el-table-column label="加入时间" prop="createTime" align="center"></el-table-column>
      <el-table-column label="用户状态" prop="status" align="center">
        <template #default="scope">
          <el-switch active-value="1"
                     inactive-value="0"
                     v-model="scope.row.status"
                     @change="changeStatus(scope.row.id,scope.row.status)"></el-switch>
        </template>
      </el-table-column>
      <el-table-column label="操作" align="center">
        <template #default="scope">
          <el-button link type="primary" @click="restPassword(scope.row.id)">密码重置</el-button>
          <el-button link type="primary" @click="editUser(scope.row.id)">编辑</el-button>
          <el-button link type="primary"  @click="deleteUser(scope.row.id)">删除</el-button>
        </template>
      </el-table-column>
    </el-table>
    <div style="margin:30px;float: right;">
      <!--layout="total(总数), sizes(每页总数), prev(上一页), pager(当前页), next(下一页), jumper(跳转页)"
       :pager-count="4" 表示显示4个页码
       :page-sizes="[5, 10, 15, 20]" 表示一共有几个"每页显示多少条"选项
       current-page当前页码 page-size当前页码的条数 total总条数 这三个变量需要和实际数据双向绑定
       :total="400" 表示总条数，需要双向绑定
       @size-change="handleSizeChange" 表示每页显示多少条改变时触发的事件
       @current-change="handleCurrentChange" 表示当前页码改变时触发的事件 -->
      <el-pagination
          layout="total, sizes, prev, pager, next, jumper"
          :page-sizes="[5, 10, 15, 20]"
          v-model:current-page="currentPage"
          v-model:page-size="currentSize"
          v-model:total="total"
          @size-change="handleSizeChange"
          @current-change="handleCurrentChange"
      />
    </div>
  </el-card>
</template>

<script setup>
import {onMounted, ref} from "vue";
import axios from "axios";
import qs from "qs";
import {ElMessage} from "element-plus";
//定义变量控制弹窗是否出现
const dialogVisible = ref(false);
const dialogTitle=ref("新建用户")

const initForm={
  username:'',
  phone:'',
  email:'',
  age:'',
  level:'',
  parentId:'',
  gender:'1',
  status:'1'
}
const saveUserForm = ref(initForm);
const levelOptions = ref([
  {label:'职员',value:'10'},
  {label:'经理',value:'20'},
  {label:'总监',value:'30'},
  {label:'总裁',value:'40'}
]);
const leaderOptions = ref([]);

const loadLeaders = ()=>{
  const level=parseInt(saveUserForm.value.level)+10;
  const url=`${BASE_URL}/v1/user/select?level=${level}`;
  axios.get(url)
      .then((response)=>{
        if(response.data.code===2000){
          leaderOptions.value = response.data.data;
        }else {
          ElMessage.error(response.data.msg)
        }
  })
}
function saveUser(){
   const url = `${BASE_URL}/v1/user/save`;
   const data = qs.stringify(saveUserForm.value);
   axios.post(url,data)
       .then((response)=>{
         if(response.data.code===2000){
           dialogVisible.value = false;
           ElMessage.success(response.data.msg);
           saveUserForm.value=initForm;
           loadUser();
         }else {
           ElMessage.error(response.data.msg);
         }
       })
}
function handleClose(){
  if(confirm('确定要关闭吗?')){
    dialogVisible.value = false;
    saveUserForm.value=initForm;
  }
}

function restPassword(id){
  const url = `${BASE_URL}/v1/user/update/password/${id}`;
  axios.put(url)
      .then((response)=>{
        if(response.data.code===2000){
          ElMessage.success(response.data.msg);
        }else {
          ElMessage.error(response.data.msg);
        }
      })
}

function changeStatus(id,status){
   const url=`${BASE_URL}/v1/user/update/status/${id}/${status}`;
   console.log(url);
   axios.put(url)
        .then((response)=>{
         if(response.data.code===2000){
           ElMessage.success(response.data.msg);
         }else {
           ElMessage.error(response.data.msg);
         }
   })
}
function deleteUser(id){
  if(!confirm('确定要删除该用户吗?'))return;
  const url=`${BASE_URL}/v1/user/delete/${id}`
  axios.delete(url)
      .then((response)=>{
        if(response.data.code===2000){
          ElMessage.success(response.data.msg);
          loadUser();
        }else {
          ElMessage.error(response.data.msg);
        }
      })
}

function editUser(id){
  dialogTitle.value="编辑用户";
  const url= `${BASE_URL}/v1/user/select/${id}`;
  //根据id查询用户信息
  axios.get(url)
      .then((response)=>{
        if(response.data.code===2000){
          dialogVisible.value = true;
          saveUserForm.value = response.data.data;
          loadLeaders();
        }else {
          ElMessage.error(response.data.msg);
        }
      })
}


//定义对象来保存用户查询的条件
const searchUserForm = ref({username:'',status:''});
//定义对象保存查询到的用户表格数据
const userArr = ref([]);
//===分页相关对象定义
//定义变量保存分页器的当前页数
const currentPage = ref(1);
//定义变量保存分页器的每页显示多少条
const currentSize = ref(5);
//定义变量保存数据总条目数
const total = ref(100);
//修改每页显示多少条，触发此函数
const handleSizeChange = (pageSize) => {
  console.log('每页展示' + pageSize + '条数据');
  //在请求form的参数对象中添加pageSize(这个名字要与服务端接收这个参数的名字相同)
  searchUserForm.value.pageSize=pageSize;
  //修改页面上要显示的页面大小值
  currentSize.value=pageSize;
  //执行查询
  loadUser();
}
//修改当前页码，触发此函数
const handleCurrentChange = (pageNum) => {
  console.log('当前的页数为：' + pageNum);
  //在请求form的参数对象中添加pageNum(要传入到后端的当前页码值)
  searchUserForm.value.pageNum=pageNum;
  //修改页面上要呈现的当前页码值
  currentPage.value=pageNum;
  //执行查询
  loadUser();
}
//定义加载用户列表的方法
const loadUser = ()=>{
  searchUserForm.value.pageSize = currentSize.value;
  searchUserForm.value.pageNum = currentPage.value;
  let data = qs.stringify(searchUserForm.value);//username=tom&status=0
  //如果有查询条件,就根据条件查,没有条件默认查全部数据
  axios.get(BASE_URL+'/v1/user/select?'+data)
      .then((response)=>{//回调函数,处理响应数据
        if(response.data.code==2000){//后端返回的状态码是2000说明成功了
          const resultSet = response.data.data;
          userArr.value = resultSet.list;//把请求回来的数据装到绑定表格的数组中
          console.log(userArr.value);
          total.value=resultSet.total;
        }else{
          ElMessage.error(response.data.msg);
        }
      })
}

//页面一加载完毕(页面挂在成功),立即执行
onMounted(()=>{
  loadUser();
})

//重置搜索
const resetSearch = ()=>{
  //清空之前的搜索内容
  searchUserForm.value = {};
  //重新加载所有的用户数据
  loadUser();
}
</script>

<style scoped>

</style>